A woman may be infected by (bird flu).Logical formLearned from2 sentences. Sites may be infected with (bird flu).Logical formLearned from2 sentences. Patients may be infected at (time points).Logical formLearned from2 sentences. Some persons may be found be infected by a (bird flu h5n1 virus).Logical formLearned from2 sentences. Humans may be infected with a virus.Logical formLearned from2 sentences. Humans may be infected by human flu.Logical formLearned from2 sentences. A patient may be infected with (bird flu).Logical formLearned from2 sentences. Some chickens may be infected by a virus.Logical formLearned from2 sentences. (Bird flu) may infect millions of chickens.Logical formLearned from2 sentences. Countries may be infected by (bird flu).Logical formLearned from2 sentences. A person may be infected with disease.Logical formLearned from2 sentences. A researcher may be infected with sars.Logical formLearned from2 sentences. An (army researcher) may be infected with sars.Logical formLearned from2 sentences. Rabies may be infected.Logical formLearned from2 sentences. Infants may be infected during pregnancy.Logical formLearned from2 sentences.